IT Audit Architect

CONTEXT

Our client, a major player in its sector, manages a critical portfolio of tax applications that sit at the heart of its public service mission. Over many years, the landscape has expanded through regulatory changes, urgent integrations, and a patchwork of technologies, gradually accumulating technical debt and architectural risk. Leadership has now launched a strategic initiative to regain control, improve long-term maintainability, and ensure every solution can withstand rising security threats, increasing transaction volumes, and evolving legal obligations. The IT Audit Architect will act as an independent and trusted reference, bringing transformation expertise to a sensitive, high-impact domain where resilience is not optional.

ACTIVITIES

• Perform independent architectural audits across a complex tax application portfolio.
• Evaluate the robustness, sustainability, security, and evolvability of existing solutions.
• Identify, qualify, and prioritize technical debt and architectural risks.
• Define pragmatic transformation strategies to improve resilience, performance, maintainability, and operability.
• Advise program leadership and technical teams on architecture decisions and remediation plans.
• Act as a key reference for stakeholders across business, IT, security, and operations.
• Contribute to the analysis and resolution of complex technical incidents.
• Produce clear audit reports, risk maps, and architecture recommendations for non-technical and technical audiences.
• Challenge existing designs and propose alternative patterns when necessary.
• Support governance bodies with expert opinions and decision-making material.

EXPECTED ACHIEVEMENTS

• A complete, prioritized map of architectural risks and technical debt across the portfolio.
• A multi-year transformation roadmap that connects business priorities with architectural improvements.
• Measurable gains in system resilience, performance, security, and maintainability.
• Reduced operational risk and fewer complex incidents caused by fragile legacy designs.
• Stronger architecture governance and better alignment between projects and strategic objectives.
• Increased confidence among stakeholders that critical tax services can evolve safely and sustainably.

ENVIRONMENT

• Enterprise architecture frameworks and audit methodologies.
• Hybrid and on-premise application landscapes.
• Integration platforms, APIs, databases, and batch processing systems.
• Security, risk, and compliance frameworks relevant to public-sector tax applications.
• Observability, monitoring, and incident analysis tools.
• Agile and waterfall delivery models coexisting in a large organization.
• Collaborative tools for documentation, modeling, and architecture governance.